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Fix a bug in getCopyFromParts turned up in the testcase for PR1132.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40598 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2007-07-30 19:09:17 +00:00
parent 45c8388e2a
commit be444ed6db
3 changed files with 49 additions and 3 deletions
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6
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -695,9 +695,9 @@ static SDOperand getCopyFromParts(SelectionDAG &DAG,
} else if (NumParts > 0) {
// If the intermediate type was expanded, build the intermediate operands
// from the parts.
assert(NumIntermediates % NumParts == 0 &&
assert(NumParts % NumIntermediates == 0 &&
"Must expand into a divisible number of parts!");
unsigned Factor = NumIntermediates / NumParts;
unsigned Factor = NumParts / NumIntermediates;
for (unsigned i = 0; i != NumIntermediates; ++i)
Ops[i] = getCopyFromParts(DAG, &Parts[i * Factor], Factor,
PartVT, IntermediateVT);
@ -708,7 +708,7 @@ static SDOperand getCopyFromParts(SelectionDAG &DAG,
return DAG.getNode(MVT::isVector(IntermediateVT) ?
ISD::CONCAT_VECTORS :
ISD::BUILD_VECTOR,
ValueVT, &Ops[0], NumParts);
ValueVT, &Ops[0], NumIntermediates);
}
/// getCopyToParts - Create a series of nodes that contain the

23
test/CodeGen/Alpha/illegal-element-type.ll Normal file
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@ -0,0 +1,23 @@
; RUN: llvm-as < %s | llc -mtriple=alphaev6-unknown-linux-gnu
define void @foo() {
entry:
br label %bb
bb: ; preds = %bb, %entry
br i1 false, label %bb26, label %bb
bb19: ; preds = %bb26
ret void
bb26: ; preds = %bb
br i1 false, label %bb30, label %bb19
bb30: ; preds = %bb26
br label %bb45
bb45: ; preds = %bb45, %bb30
%V.0 = phi <8 x i16> [ %tmp42, %bb45 ], [ zeroinitializer, %bb30 ] ; <<8 x i16>> [#uses=1]
%tmp42 = mul <8 x i16> zeroinitializer, %V.0 ; <<8 x i16>> [#uses=1]
br label %bb45
}

23
test/CodeGen/PowerPC/illegal-element-type.ll Normal file
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@ -0,0 +1,23 @@
; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g3
define void @foo() {
entry:
br label %bb
bb: ; preds = %bb, %entry
br i1 false, label %bb26, label %bb
bb19: ; preds = %bb26
ret void
bb26: ; preds = %bb
br i1 false, label %bb30, label %bb19
bb30: ; preds = %bb26
br label %bb45
bb45: ; preds = %bb45, %bb30
%V.0 = phi <8 x i16> [ %tmp42, %bb45 ], [ zeroinitializer, %bb30 ] ; <<8 x i16>> [#uses=1]
%tmp42 = mul <8 x i16> zeroinitializer, %V.0 ; <<8 x i16>> [#uses=1]
br label %bb45
}